What contributed to the growth of nationalism in India

The British imperialism was the most important factor, which contributed to the rise of nationalism in India. It made the geographical unification of the country possible.The British imperialism made the people to think as one nation.

Explanation:

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.